a.py

import arcade

SCREEN_WIDTH = 1000
SCREEN_HEIGHT = 650
SCREEN_TITLE = "Platformer"

PLAYER_START_X = 64
PLAYER_START_Y = 94


class MyGame(arcade.Window):
    def __init__(self):
        super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)

        self.coin_list = None
        self.wall_list = None
        self.cactus_list = None
        self.end_list = None
        self.player_list = None
        self.player_sprite = None
        self.physics_engine = None
        self.bg = None
        self.end_flag = None

        self.view_bottom = 0
        self.view_left = 0
        self.end_of_map = 1230

        self.score = 0
        self.level = 1

        self.collect_coin_sound = arcade.load_sound("sounds/coin1.wav")
        self.jump_sound = arcade.load_sound("sounds/jump1.wav")
        self.game_over = arcade.load_sound("sounds/gameover1.wav")

    def setup(self, level):
        self.view_bottom = 0
        self.view_left = 0
        # self.score = 0

        bg_image = "images/bg/bg" + str(level) + ".jpg"
        self.bg = arcade.Sprite(bg_image)
        self.bg.left = -350
        self.bg.bottom = 0

        self.player_list = arcade.SpriteList()
        self.wall_list = arcade.SpriteList()
        self.coin_list = arcade.SpriteList()
        self.cactus_list = arcade.SpriteList()
        self.end_list = arcade.SpriteList()

        self.player_sprite = arcade.Sprite("images/player_1/player_stand.png", 1)
        self.player_sprite.center_x = PLAYER_START_X
        self.player_sprite.center_y = PLAYER_START_Y
        self.player_list.append(self.player_sprite)

        cactus_sprite = arcade.Sprite("images/tiles/cactus.png", 0.5)
        cactus_sprite.center_x = 1200
        cactus_sprite.center_y = 1500
        self.cactus_list.append(cactus_sprite)

        flag = arcade.Sprite("images/items/flagGreen1.png", 0.5)
        flag.center_x = 1230
        flag.center_y = 96
        self.end_list.append(flag)

        for x in range(0, 1250, 64):
            wall = arcade.Sprite("images/tiles/grassMid.png", 0.5)
            wall.center_x = x
            wall.center_y = 32
            self.wall_list.append(wall)

        coordinate_list = [[512, 96],
                           [256, 96],
                           [768, 96]]

        for coordinate in coordinate_list:
            wall = arcade.Sprite("images/tiles/boxCrate_double.png", 0.5)
            wall.position = coordinate
            self.wall_list.append(wall)

        for x in range(128, 1250, 256):
            coin = arcade.Sprite("images/items/coinGold.png", 0.5)
            coin.center_x = x
            coin.center_y = 96
            self.coin_list.append(coin)

        self.physics_engine = arcade.PhysicsEnginePlatformer(self.player_sprite,
                                                             self.wall_list,
                                                             1)

    def on_draw(self):
        arcade.start_render()

        self.bg.draw()
        self.wall_list.draw()
        self.coin_list.draw()
        self.cactus_list.draw()
        self.end_list.draw()
        self.player_list.draw()

        score_text = f"Монет: {self.score}     Уровень {self.level}"
        arcade.draw_text(score_text, 10 + self.view_left, 600 + self.view_bottom,
                         arcade.csscolor.WHITE, 18)

    def on_key_press(self, key, modifiers):
        if key == arcade.key.UP:
            if self.physics_engine.can_jump():
                self.player_sprite.change_y = 15
                arcade.play_sound(self.jump_sound)
        elif key == arcade.key.LEFT:
            self.player_sprite.change_x = -5
        elif key == arcade.key.RIGHT:
            self.player_sprite.change_x = 5

    def on_key_release(self, key, modifiers):
        if key == arcade.key.LEFT:
            self.player_sprite.change_x = 0
        elif key == arcade.key.RIGHT:
            self.player_sprite.change_x = 0

    def update(self, delta_time):
        self.physics_engine.update()

        coin_hit_list = arcade.check_for_collision_with_list(self.player_sprite,
                                                             self.coin_list)

        for coin in coin_hit_list:
            coin.remove_from_sprite_lists()
            arcade.play_sound(self.collect_coin_sound)
            self.score += 1

        if self.player_sprite.center_y < -50:
            self.player_sprite.center_x = PLAYER_START_X
            self.player_sprite.center_y = PLAYER_START_Y

            self.view_left = 0
            self.view_bottom = 0
            arcade.play_sound(self.game_over)
            self.update_camera()

        if arcade.check_for_collision_with_list(self.player_sprite, self.cactus_list):
            self.player_sprite.center_x = PLAYER_START_X
            self.player_sprite.center_y = PLAYER_START_Y

            self.view_left = 0
            self.view_bottom = 0
            arcade.play_sound(self.game_over)
            self.update_camera()

        if self.player_sprite.center_x >= self.end_of_map:
            self.level += 1
            self.setup(self.level)

            self.view_left = 0
            self.view_bottom = 0
            self.update_camera()

        self.move_camera()

    def move_camera(self):
        old_view_left = self.view_left
        old_view_bottom = self.view_bottom

        left_boundary = self.view_left + 150
        if self.player_sprite.left < left_boundary:
            self.view_left -= left_boundary - self.player_sprite.left

        right_boundary = self.view_left + SCREEN_WIDTH - 150
        if self.player_sprite.right > right_boundary:
            self.view_left += self.player_sprite.right - right_boundary

        top_boundary = self.view_bottom + SCREEN_HEIGHT - 100
        if self.player_sprite.top > top_boundary:
            self.view_bottom += self.player_sprite.top - top_boundary

        bottom_boundary = self.view_bottom + 50
        if self.player_sprite.bottom < bottom_boundary:
            self.view_bottom -= bottom_boundary - self.player_sprite.bottom

        if old_view_left != self.view_left or old_view_bottom != self.view_bottom:
            self.view_bottom = int(self.view_bottom)
            self.view_left = int(self.view_left)
            self.update_camera()

    def update_camera(self):
        arcade.set_viewport(self.view_left,
                            SCREEN_WIDTH + self.view_left,
                            self.view_bottom,
                            SCREEN_HEIGHT + self.view_bottom)


def main():
    window = MyGame()
    window.setup(window.level)
    arcade.run()


if __name__ == "__main__":
    main()